package com.gxlevi.facade;

public class Popcorn {
    private Popcorn() {
    }

    private static Popcorn instance = new Popcorn();

    public static Popcorn getInstance() {
        return instance;
    }

    public void on() {
        System.out.println("pop on");
    }

    public void off() {
        System.out.println("pop off");
    }

    public void pop() {
        System.out.println("popcorn is poping");
    }
}
